Agnihotry, S. A. and Sharma, Rashmi and Kar, M. and Saxena, T. K. (2006) Towards electrochromic stability in sol-gel-derived tungsten oxide films: cyclic voltammetric and spectrophotometric investigations. Solar Energy Materials and Solar Cells , 90 (1). 15-24. ISSN 0927-0248

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Abstract

Hitherto unexplored irreversible changes during initial coloration/bleaching cycles for sol-gel-derived tungsten oxide (WO3) films have been investigated using cyclic voltammetric and spectrophotometric techniques. Non-ideal features appearing in the initial five anodic (deintercalation) cycles in the voltammogram with simultaneous decreased optical transmission of the bleached films have been explained in terms of possible stoichiometric variations affecting the coloration efficiency (CE) of the films and the associated mechanisms. Electrochromic stability attained thereafter manifests in retraceable voltammograms and almost invariant value of the CE.

Item Type:	Article
Additional Information:	Copyright for this article belongs to M/s Elsevier.
Subjects:	Energy Fuels Materials Science Applied Physics/Condensed Matter
Divisions:	UNSPECIFIED
Depositing User:	Users 27 not found.
Date Deposited:	09 Aug 2018 07:17
Last Modified:	09 Aug 2018 07:17
URI:	http://npl.csircentral.net/id/eprint/2574

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